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Thermal Physics
Quick questions on Temperature and thermal equilibrium explained: H2 Physics Thermal Physics
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is thermal equilibrium?Show answer
Two bodies in thermal contact are in thermal equilibrium when there is no net flow of thermal energy between them. This happens precisely when they are at the same temperature. Energy always flows from the hotter to the colder body until their temperatures equalise.
What is q1?Show answer
State what is meant by absolute zero and its value in degrees Celsius. [2 marks]
What is q2?Show answer
Convert to kelvin. [1 mark]
What is q3?Show answer
Explain, in terms of molecular motion, what happens to the average kinetic energy of gas molecules when the temperature is raised from to . [2 marks]
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